DE69323426D1 - Durchflussmesser mit veränderlichem durchgangsquerschnitt - Google Patents
Durchflussmesser mit veränderlichem durchgangsquerschnittInfo
- Publication number
- DE69323426D1 DE69323426D1 DE69323426T DE69323426T DE69323426D1 DE 69323426 D1 DE69323426 D1 DE 69323426D1 DE 69323426 T DE69323426 T DE 69323426T DE 69323426 T DE69323426 T DE 69323426T DE 69323426 D1 DE69323426 D1 DE 69323426D1
- Authority
- DE
- Germany
- Prior art keywords
- flow meter
- continuous section
- variable continuous
- variable
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
- G01D5/2006—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils
- G01D5/2033—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils controlling the saturation of a magnetic circuit by means of a movable element, e.g. a magnet
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/20—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow
- G01F1/22—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow by variable-area meters, e.g. rotameters
- G01F1/24—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow by variable-area meters, e.g. rotameters with magnetic or electric coupling to the indicating device
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/862,900 US5327789A (en) | 1992-04-03 | 1992-04-03 | Electromagnetic detection system for variable area flowmeter |
PCT/US1993/003137 WO1993020410A1 (en) | 1992-04-03 | 1993-04-01 | Variable area flowmeter |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69323426D1 true DE69323426D1 (de) | 1999-03-18 |
DE69323426T2 DE69323426T2 (de) | 1999-07-29 |
Family
ID=25339684
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69323426T Expired - Lifetime DE69323426T2 (de) | 1992-04-03 | 1993-04-01 | Durchflussmesser mit veränderlichem durchgangsquerschnitt |
Country Status (5)
Country | Link |
---|---|
US (1) | US5327789A (de) |
EP (1) | EP0647313B1 (de) |
JP (1) | JP3241725B2 (de) |
DE (1) | DE69323426T2 (de) |
WO (1) | WO1993020410A1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6020737A (en) * | 1992-05-19 | 2000-02-01 | Wyss; Walter | Shaft position detectors with stray magnetic field compensation |
US5552979A (en) * | 1993-11-30 | 1996-09-03 | Philips Electronics North America Corporation | Isolated current sensor for DC to high frequency applications |
JP2929158B2 (ja) * | 1993-12-29 | 1999-08-03 | 東京計装株式会社 | 面積式流量計 |
US5520058A (en) * | 1995-04-05 | 1996-05-28 | Cole-Parmer Instrument Company | Magnetic reluctance flowmeter |
GB2349954B (en) * | 1996-09-11 | 2001-01-03 | Krohne Messtechnik Kg | Suspended body flowmeter |
GB2317234B (en) * | 1996-09-11 | 2000-12-27 | Krohne Messtechnik Kg | Suspended body flowmeter |
AUPO511397A0 (en) | 1997-02-14 | 1997-04-11 | Resmed Limited | An apparatus for varying the flow area of a conduit |
SE511135C2 (sv) * | 1997-04-30 | 1999-08-09 | Dresser Wayne Ab | Sätt och anordning för att generera digitala signalförändringar vid bestämning av mängden bränsle som matas ut från en bränslepumpenhet |
AUPO742297A0 (en) | 1997-06-18 | 1997-07-10 | Resmed Limited | An apparatus for supplying breathable gas |
US6067917A (en) * | 1998-05-29 | 2000-05-30 | Pgi International, Ltd. | Method and apparatus for flow control of NH3 |
DE19956590C2 (de) * | 1999-11-25 | 2003-09-18 | Krohne Messtechnik Kg | Schwebekörperdurchflußmeßgerät |
US9945692B2 (en) * | 2013-04-29 | 2018-04-17 | Massachusetts Institute Of Technology | Non-intrusive monitoring |
US10799900B2 (en) | 2016-07-15 | 2020-10-13 | Capstan Ag Systems, Inc. | Electric fluid flow monitoring apparatus and agricultural fluid application systems including same |
AT518991B1 (de) * | 2016-08-25 | 2018-03-15 | Hoerbiger Kompressortech Hold | Schmiermittelsystem für Kolbenmaschinen |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2537773A (en) * | 1947-04-24 | 1951-01-09 | Automatic Temperature Control Co Inc | Differential transformer |
GB828030A (en) * | 1956-12-27 | 1960-02-10 | Siemens Ag | Transducer for measuring pressure or differential pressure |
US3024354A (en) * | 1958-12-02 | 1962-03-06 | Square D Co | Control circuit |
US3128625A (en) * | 1962-05-14 | 1964-04-14 | Henry F Heineman | Saturable reactor position transducer |
US3461382A (en) * | 1965-05-28 | 1969-08-12 | Us Navy | Pulse dependent feedback system for measuring changes in a physical phenomenon |
US3284786A (en) * | 1965-08-03 | 1966-11-08 | Schutte & Koerting Co | Electric motion or position transmitter system and method of adjusting the same |
DE1773798B2 (de) * | 1968-07-08 | 1976-12-16 | Josef Heinrichs Meßgerätebau, 5000Köln | Durchflussmessgeraet |
US3775674A (en) * | 1972-01-27 | 1973-11-27 | Us Air Force | Flux gate gradiometer using a pulse generator to drive the energizing windings as well as actuate the detector |
US3931737A (en) * | 1974-07-12 | 1976-01-13 | Pennwalt Corporation | Pulsating liquid flow transmitter |
US4297899A (en) * | 1979-11-23 | 1981-11-03 | Zemco, Inc. | Fluid flow sensor |
US4366718A (en) * | 1981-01-26 | 1983-01-04 | Deere & Company | Bi-directional flow transducer |
EP0063405B1 (de) * | 1981-02-05 | 1987-08-26 | Inoue-Japax Research Incorporated | Vorrichtung zur Messung der Strömungsgeschwindigkeit |
DE8222641U1 (de) * | 1982-08-11 | 1982-11-18 | Kobold, Klaus, 6233 Kelkheim | Vorrichtung zur durchflussmessung mit potentialfreiem endkontaktschalter |
US4652820A (en) * | 1983-03-23 | 1987-03-24 | North American Philips Corporation | Combined position sensor and magnetic motor or bearing |
EP0242492B1 (de) * | 1985-12-28 | 1992-08-05 | Yamaha Corporation | Kontaktloser Markierungssensor |
US5124648A (en) * | 1987-08-25 | 1992-06-23 | Analog Devices, Inc. | Single winding saturable core magnetometer with field nulling |
US5013987A (en) * | 1989-07-18 | 1991-05-07 | Seiko Instruments Inc. | Control system for magnetic bearing |
-
1992
- 1992-04-03 US US07/862,900 patent/US5327789A/en not_active Expired - Lifetime
-
1993
- 1993-04-01 JP JP51773693A patent/JP3241725B2/ja not_active Expired - Fee Related
- 1993-04-01 EP EP93911580A patent/EP0647313B1/de not_active Expired - Lifetime
- 1993-04-01 WO PCT/US1993/003137 patent/WO1993020410A1/en active IP Right Grant
- 1993-04-01 DE DE69323426T patent/DE69323426T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP3241725B2 (ja) | 2001-12-25 |
EP0647313A1 (de) | 1995-04-12 |
WO1993020410A1 (en) | 1993-10-14 |
JPH07505478A (ja) | 1995-06-15 |
EP0647313B1 (de) | 1999-02-03 |
DE69323426T2 (de) | 1999-07-29 |
US5327789A (en) | 1994-07-12 |
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